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Table 3 Odds ratios (95% CI) from the full model of SGA and PTB and maternal alcohol intake during pregnancy, categorized by maternal education level

From: Preterm birth and small for gestational age in relation to alcohol consumption during pregnancy: stronger associations among vulnerable women? results from two large Western-European studies

 

ABCD study

KiGGS study

 

(%)

Abstainer

Non-daily drinker

Daily drinker

(%)

Abstainer

Non-abstainer

N = 3049

N = 1894

N = 295

 

N = 14089

N = 2012

SGA

       

Mid-high education

7.7

1.00

1.18 (0.92, 1.51)

0.84 (0.50, 1.41)

9.0

1.00

1.08 (1.06, 1.09)

Low education

13.7

1.00

0.96 (0.53, 1.74)

0.28 (0.04, 2.13)

11.4

1.00

0.72 (0.48, 1.08)

PTB

       

Mid-high education

4.5

1.00

0.79 (0.58, 1.07)

0.37 (0.15, 0.92)

5.3

1.00

0.77 (0.57, 1.03)

Low education

5.9

1.00

0.84 (0.35, 1.01)

---

6.4

1.00

0.57 (0.26, 1.24)

  1. Full Model: adjusted for smoking during pregnancy, maternal height, parity, BMI, maternal age, ethnicity, maternal distress (in ABCD study only) and hypertension (in ABCD study only).
  2. For all analyses on SGA, parity was excluded, because SGA is corrected for parity by definition.
  3. CI = confidence interval; SGA = small for gestational age; PTB = preterm birth;